Finding the Fourth Proportional to 3,086.91, 4,259.31 and 1,827.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.91 : 4,259.31 = 1,827.35 : x
2. Step 2: Convert to fraction form
   3,086.91/4,259.31 = 1,827.35/x
3. Step 3: Cross multiply
   3,086.91x = 4,259.31 × 1,827.35
4. Step 4: Simplify right side
   3,086.91x = 7,783,228.83
5. Step 5: Solve for x
   x = 7,783,228.83/3,086.91
6. Step 6: Final answer
   x = 2,521.37